BDMS is an abbreviation of Bangkok Dusit Medical Services.

[a] The hotel was built by Thai developer Lursakdi Sampatisiri in 1984 as the Hilton International Bangkok at Nai Lert Park, managed by Hilton International.

[1][2] On June 13, 2003[3] the Sampatisiri family signed Raffles International Hotels to manage the hotel[4] in their Swissôtel division, and on January 1, 2004[5] it was renamed first[6] Nai Lert Park Bangkok, a Raffles International Hotel[7] and then later Swissôtel Nai Lert Park Bangkok.

Lonely Planet said of the hotel, "a mishmash of bygone styles, the Nai Lert is a bit disappointing in the cramped rooms, but glorious underneath a shady tree in its private garden-park.

On June 4, 2009, American actor David Carradine was found dead of asphyxiation in the wardrobe of his room in the hotel.